SQL Server LocalDB 2014 ConnectionString változás

… On SQL Server 2014, The SQL Server team created “mssqllocaldb” as the default name for the automatic LocalDB instance. The name of the automatic LocalDB instance is no longer related to SQL Server version number (v11.0 = SQL Server 2012, v12.0 = SQL Server 2014). Thus, we should use “(localdb)\mssqllocaldb” as server name to connect to LocalDB automatic instance on SQL Server 2014 …

Forrás